Martin Beck says, “Google today announced a commitment to only charge for display ads that are viewed.Speaking during a keynote discussion at SMX East in New York, Brad Bender, vice president of product management of the Google Display Network, said: “I’m pleased to announce that GDN is moving to 100% viewable. We’re going to migrate all of the CPMs in the system to viewable CPMs. All advertisers will be able to see viewable metrics so they can make better decisions.”The move, which Bender said will be rolled out to GDN users in the next couple weeks, should be welcome news to... [...]